You should recycle packaging and containers.
You should use electricity and water supplies as needed.
You shouldn't throw garbage to the streets.
You must turn off the lights if they're not needed.
You should conserve energy.
You must plant more trees.
You should bikes instead of cars.
You shouldn't pour oil into the drain.
You must use bucket instead of hose while washing stairs or your car.
You mustn't let the water run while brushing your teeth.
You should use rechargeable batteries.
You must use both sides of papers.
You shouldn't buy more than you need.
You should give things that you do not need anymore to someone who needs them instead of throwing away.
You shouldn't start the dishwasher or washing machine till they are fully loaded.
